A Solution Is Prepared by Dissolving 23

A solution is prepared by dissolving 23.7 g of CaCl₂ in 375 g of water. The density of the resulting solution is 1.05 g/mL. The mole fraction of Cl^- in this solution is __________ M.

A) 0.0103
B) 0.0200
C) 0.0201
D) 0.0632
E) 0.0630